Effect of Bone to Implant Contact Percentage on Bone Remodelling Surrounding a Dental Implant

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Title Effect of Bone to Implant Contact Percentage on Bone Remodelling Surrounding a Dental Implant
Author Lian, Z.; Guan, Hong; Ivanovski, Saso; Loo, Yew-Chaye; Johnson, Newell Walter; Zhang, H.
Journal Name International Journal of Oral & Maxillofacial Surgery
Editor Piet Haers
Year Published 2010
Place of publication United States
Publisher Elsevier
Abstract Dental implants are an effective, safe and predictable solution for patients suffering from tooth loss, but implant placement changes the normal mechanical environment of the jawbone leading to bone density redistribution and 'remodelling', in order to adapt to the new environment. Many bone remodelling theories assume the presence of 100% contact between bone and implant, which is inconsistent with clinical reality. About 50–80% bone–implant contact is commonly seen with clinically successful implants. The influence of different percentages of bone–implant contact on bone remodelling has not been investigated adequately. This study aims to evaluate this influence using a newly proposed remodelling algorithm through a 2D finite element model. Four different degrees of bone–implant contact (25, 50, 75 and 100%) are considered and their influences on the density distribution of the jawbone are evaluated. The predicted results indicate that no matter what the initial percentage of bone–implant contact (25–100%), the final outcome is about 58–60% contact when an equilibrium state is reached by bone remodelling. The results are consistent with clinical observations and findings.
Peer Reviewed Yes
Published Yes
Alternative URI http://dx.doi.org/10.1016/j.ijom.2010.03.020
Copyright Statement Copyright 2010 International Association of Oral and Maxillofacial Surgeons. Published by Elsevier Ltd. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
Volume 39
Issue Number 7
Page from 690
Page to 698
ISSN 0901-5027
Date Accessioned 2010-06-25
Date Available 2010-09-22T06:56:10Z
Language en_AU
Research Centre Griffith Health Institute; Molecular Basis of Disease
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Biomechanical Engineering
URI http://hdl.handle.net/10072/33271
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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